七氧化二硫{氧化硫(VII)}

11 布什否决限制二氧化碳排放议案 DATE=3/23/01 TITLE=ENVIRONMENT REPORT - Bush Rejects Carbon Dioxide Limits BYLINE=Cynthia Kirk (Start at 59

发表于:2018-11-27 / 阅读(266) / 评论(0) 分类 自然探索

Listen this way听力教程第二册-17

发表于:2018-12-27 / 阅读(162) / 评论(0) 分类 Listen this way听力教程

一、名词性从句 名词从句包括主语从句、表语从句、宾语从句、同位语从句。在翻译时,大多数语序可以不变,即可按原文的顺序译成相应的汉语。但有

发表于:2019-01-07 / 阅读(66) / 评论(0) 分类 英文语法词汇

By Cynthia Kirk ENVIRONMENT REPORT -March 22, 2002: Air Pollution/Lung Cancer This is the VOA Special English ENVIRONMENT REPORT. Researchers have completed a major study on the health effects of air

发表于:2019-01-09 / 阅读(66) / 评论(0) 分类 健康与环境

But methane is actually odorless, too. 但是甲烷也是无味的。 Well then, what stinks? 那么,什么东西这么臭? The foul smell is usually due to volatile sulfur compounds, such as hydrogen sulfide and methanethiol, or methyl mercaptan

发表于:2019-01-17 / 阅读(103) / 评论(0) 分类 TED演讲教育篇

Municipal authorities in Beijing announced plans to upgrade from orange to red on Monday night, marking the first-ever time a red-alert has been issued for Beijing since the 4-tiered color-coded system for smog was instituted 3-years ago. The red-ale

发表于:2019-01-19 / 阅读(131) / 评论(0) 分类 2015CRI中国国际广播电台

18Then Bildad the Shuhite replied: 2When will you end these speeches? Be sensible, and then we can talk. 3Why are we regarded as cattle and considered stupid in your sight? 4You who tear yourself to pieces in your anger, is the earth to be abandoned

发表于:2019-01-26 / 阅读(156) / 评论(0) 分类 约伯记

JUDY WOODRUFF:And we turn to the EPA's new regulations requiring cleaner gasoline. The Obama administration announced the proposed changes today. They would require two-thirds less sulfur in gasoline and a reduction in other emissions beginning in 20

发表于:2019-01-27 / 阅读(46) / 评论(0) 分类 PBS访谈环境系列

A healthy liver plays a key role in relieving digestive issues, such as a sluggish metabolism, gas, bloating, and constipation. It regulates blood sugar levels, which, when out of balance, can cause sugar cravings, fatigue, and fuzzy thinking. 健康的

发表于:2019-02-01 / 阅读(146) / 评论(0) 分类 阅读空间

Effective pollution controls adopted in 161 major Chinese cities have greatly improved air quality, a green organization said last Monday. 一家绿色环保组织上周一表示,中国161座主要城市采取的有效的污染防治措施使空气质

发表于:2019-02-04 / 阅读(80) / 评论(0) 分类 英语新闻

Beijing's last large coal-fired power plant suspended operations last Saturday, meaning the capital has become China's first city with all its power plants fueled by clean energy. 上周六,北京最后一座大型燃煤电厂停机备用,这意味

发表于:2019-02-04 / 阅读(62) / 评论(0) 分类 英语新闻

Five widely used Chinese traditional medicines (TCMs) for treating cough have been found to have a high sulfur content, the Economic Information Daily reported on last Friday. 据《经济参考报》上周五报道,5种常见的中医止咳药被检

发表于:2019-02-04 / 阅读(57) / 评论(0) 分类 英语新闻

By CCTV reporter Ning Hong Efforts to reduce air pollution in China seem to be accelerating. In a coordinated action on Sunday, local authorities pulled down facilities in three cities in Hebei Province, a main center of iron and steel manufacturing.

发表于:2019-02-04 / 阅读(69) / 评论(0) 分类 CCTV9英语新闻2013年11月

Political Advisors Hand Proposals on Environment Protection Environmental protection is going to be one of the focus-areas for both the political advisory body and the lawmakers on the National People's Congress. Wan Jie, a member of the national com

发表于:2019-02-06 / 阅读(97) / 评论(0) 分类 英语新闻

BEIJING, July 11 (Xinhua) -- The State Council, or China's Cabinet, announced on Wednesday that it will boost the development of the nation's distribution industry with the goal of establishing a modern goods distribution system that is efficient, co

发表于:2019-02-08 / 阅读(104) / 评论(0) 分类 英语新闻

You need to take proper care of your eyes to maintain good eyesight. There are few fundamental rules that have to be done for good eye care. As you know very well that exposure to sun is very bad for the eyes. Similarly, if you use computer for long

发表于:2019-02-09 / 阅读(143) / 评论(0) 分类 英语小短文

Researchers from Xian Jiaotong University in Northwest Chinas Shaanxi Province have developed a way to eliminate air pollutants during the coal-burning process, which they hope would significantly address the countrys smog problems. 来自中国西北的

发表于:2019-02-13 / 阅读(145) / 评论(0) 分类 英语新闻

China's State of the Environment Report for 2012 suggests that the overall quality of China's environment is balanced and stable. The condition of underground water remains to be a big concern. Li Dong has the details. Released annually by China's Mi

发表于:2019-02-14 / 阅读(207) / 评论(0) 分类 世界各地新闻集锦

The World Health Organization, upgrading a previous warning, said June 12 that diesel exhaust causes cancer and called for tighter emissions standards, comparing the risk of exhaust to second-hand cigarette smoke. Tuesdays announcement comes after in

发表于:2019-02-17 / 阅读(86) / 评论(0) 分类 英语新闻

The proportion of hazardous metal toxins in PM2.5 in Beijing has decreased for the past three years, which experts lauded as the initial achievement of the city's anti-smog measures. 过去三年,北京市PM2.5中对人体有害的金属毒素的比重

发表于:2019-02-18 / 阅读(119) / 评论(0) 分类 英语新闻
学英语单词
aerothermochemist
arabber
attenuation cross section
Aythya marila
Azawad
baseband response function
baumer
bayonet base lampholder
Belogolovoye
broadcast radio
caliculi gustatorii
chout
closed under set closure
common dollar
compounded lube oil
conusances
Cpes
delivery department
diagnorenol
discharge auger control
distress singnal
english composition
epidermal cells
ex rights
exo-
fencedin
find difficultydoing sth
fore-lift
free-stone pear
friction speed
garahs
gastric surgery
geismar
grand sum
graphic information
group of bundle
gyri descendens
hamad
hare-bur
harmonic integral
heat regulator regulator
hemorrhoidal plexus
hesperinas
Heterophyidae
hexonmer
hoggin' it
hoggism
if mixer
imidocarbonate
inclined valve
inlord
IP telephony IP
isobetanin
layered distributed operating system
life-expireds
LL. L.
locked coil wire rope
Lopping-axe
Lugols iodine solution
lutch
methylprylon
middle-cut file
minimum clearing
minority linguistics
mobile telephone
non-audit
Nordre Strφmfjord
o'guinn
order of preference
pantalets
phraseology
piston pin retaining ring
pogonophile
positive magnetostriction
pressure amplification
proportional loading
psychosomatic inventory
quasi-territorial jurisdiction
recondited
representative ring
republicated
resource-oriented
RISC
schnierle
scraggier
screened probe
sea sampler
site-level
sluring
space period
sweetweed
swidden
tabulated height
taimour
tetramines
to yearn to do
Traismauer
translator dispatcher
Triphthazine
troune
weakly leached brown soil
Zosterella